Home / 43,272.30-64,908.45-40,647.90

Finding the Fourth Proportional to 43,272.30, 64,908.45 and 40,647.90

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Solution

The fourth proportional to 43,272.30, 64,908.45 and 40,647.90 is: 60,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.30 : 64,908.45 = 40,647.90 : x
  2. Step 2: Convert to fraction form
    43,272.30/64,908.45 = 40,647.90/x
  3. Step 3: Cross multiply
    43,272.30x = 64,908.45 × 40,647.90
  4. Step 4: Simplify right side
    43,272.30x = 2,638,392,184.76
  5. Step 5: Solve for x
    x = 2,638,392,184.76/43,272.30
  6. Step 6: Final answer
    x = 60,971.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.